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    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="15000238" softwareVersionNum="2015v2.1">
      <FinancialDerivativesGrp>
        <BookValueAmt>223426</BookValueAmt>
      </FinancialDerivativesGrp>
      <OtherSecuritiesGrp>
        <Desc>OTHER INVESTMENTS</Desc>
        <BookValueAmt>15337057</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>COMMON COLLECTIVE TRUST</Desc>
        <BookValueAmt>143176822</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>PTRSHP/JOINT VENTURE INTERESTS</Desc>
        <BookValueAmt>46484496</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>205221801</TotalBookValueSecuritiesAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="15000238" softwareVersionNum="2015v2.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15 Determination of Compensation</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE OFFICERS OR KEY EMPLOYEES THAT RECEIVE COMPENSATION. THEREFORE, THIS QUESTION IS NOT APPLICABLE AND HAS BEEN ANSWERED "NO" IN ACCORDANCE WITH THE FORM 990 INSTRUCTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 8a Documentation of meetings held by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>BNY MELLON IS THE INSTITUTIONAL TRUSTEE OF THIS VOLUNTARY EMPLOYEES' BENEFICIARY ASSOCIATION UNDER IRC 501(C)(9) FORMED TO FUND CERTAIN WELFARE BENEFITS OF CURRENT AND FORMER EMPLOYEES OF AMEREN SERVICES COMPANY. THERE ARE NO MEETINGS OF THE GOVERNING BODY OR COMMITTEES TO DOCUMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 8b Documentation of meetings held by committees of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE RESPONSE FOR LINE 8A.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED INTERNALLY BY THE INVESTMENT TRUST DEPARTMENT OF AMEREN SERVICES COMPANY AS WELL AS THE ASSISTANT TREASURER PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A 501(C)(9) ORGANIZATION THE TRUST IS NOT REQUIRED TO MAKE THE DOCUMENTS REFERENCED IN QUESTION 19 AVAILABLE TO THE GENERAL PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII, Section A AVERAGE HOURS PER WEEK</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BANK OF NEW YORK MELLON PROVIDES DIRECTED TRUSTEE SERVICES FOR AMEREN HEALTH AND WELFARE TRUST. THESE SERVICES REQUIRE NUMEROUS INDIVIDUAL BANK EMPLOYEES' INVOLVEMENT IN THE ACTIVITIES OF THE ORGANIZATION AND THUS CANNOT BE QUANTIFIED ON AN HOURLY BASIS. THEREFORE, THE TRUSTEE'S FEES ARE NOT BASED UPON AN HOURLY BASIS BUT ARE CALCULATED BASED UPON FACTORS SUCH AS THE MARKET VALUE OF THE ACCOUNT AND IN ACCORDANCE WITH THE BANK OF NEW YORK MELLON'S AGREEMENT WITH AMEREN SERVICES COMPANY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTIONS A &amp; B, LINES 8, 12-15 GOVERNING BODY &amp; MGMT/ POLICIES</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE QUESTIONS ARE NOT APPLICABLE TO THE TRUST. ADDITIONALLY, THE TRUST DOES NOT HAVE ANY EMPLOYEES. THEREFORE, NO PROCESSES RELATED TO EMPLOYEE COMPENSATION ARE IN PLACE.</ExplanationTxt>
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          <BusinessNameLine1Txt>AMEREN CORPORATION</BusinessNameLine1Txt>
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          <AddressLine1Txt>ONE AMEREN PLAZA</AddressLine1Txt>
          <AddressLine2Txt>1901 CHOUTEAU AVE</AddressLine2Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63103</ZIPCd>
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        <EIN>431723446</EIN>
        <PrimaryActivitiesTxt>PUBLIC UTILITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corporation</EntityTypeTxt>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
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